Robust Faster-than-Nyquist PDM-mQAM Systems with Tomlinson-Harashima Precoding

A training-based channel estimation algorithm is proposed for the faster-than-Nyquist PDM-mQAM (m = 4, 16, 64) systems with Tomlinson-Harashima precoding (THP). This is robust to the convergence failure phenomenon suffered by the existing algorithm, yet remaining format-transparent. Simulation resul...

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Published inarXiv.org
Main Authors Chang, Deyuan, Omomukuyo, Oluyemi, Lin, Xiang, Zhang, Shu, Dobre, Octavia A, Ramachandran Venkatesan
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 04.01.2018
Subjects
Algorithms
Bit error rate
Computer simulation
Optical communication
Polarization mode dispersion
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Abstract A training-based channel estimation algorithm is proposed for the faster-than-Nyquist PDM-mQAM (m = 4, 16, 64) systems with Tomlinson-Harashima precoding (THP). This is robust to the convergence failure phenomenon suffered by the existing algorithm, yet remaining format-transparent. Simulation results show that the proposed algorithm requires a reduced optical signal-to-noise ratio (OSNR) to achieve a certain bit error rate (BER) in the presence of first-order polarization mode dispersion and phase noise introduced by the laser linewidth.
AbstractList A training-based channel estimation algorithm is proposed for the faster-than-Nyquist PDM-mQAM (m = 4, 16, 64) systems with Tomlinson-Harashima precoding (THP). This is robust to the convergence failure phenomenon suffered by the existing algorithm, yet remaining format-transparent. Simulation results show that the proposed algorithm requires a reduced optical signal-to-noise ratio (OSNR) to achieve a certain bit error rate (BER) in the presence of first-order polarization mode dispersion and phase noise introduced by the laser linewidth.
A training-based channel estimation algorithm is proposed for the faster-than-Nyquist PDM-mQAM (m = 4, 16, 64) systems with Tomlinson-Harashima precoding (THP). This is robust to the convergence failure phenomenon suffered by the existing algorithm, yet remaining format-transparent. Simulation results show that the proposed algorithm requires a reduced optical signal-to-noise ratio (OSNR) to achieve a certain bit error rate (BER) in the presence of first-order polarization mode dispersion and phase noise introduced by the laser linewidth.
Author Dobre, Octavia A
Chang, Deyuan
Lin, Xiang
Ramachandran Venkatesan
Omomukuyo, Oluyemi
Zhang, Shu
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BackLink https://doi.org/10.48550/arXiv.1801.01433$$DView paper in arXiv
https://doi.org/10.1109/LPT.2016.2573740$$DView published paper (Access to full text may be restricted)
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Snippet A training-based channel estimation algorithm is proposed for the faster-than-Nyquist PDM-mQAM (m = 4, 16, 64) systems with Tomlinson-Harashima precoding...
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SubjectTerms Algorithms
Bit error rate
Computer simulation
Optical communication
Polarization mode dispersion
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Title Robust Faster-than-Nyquist PDM-mQAM Systems with Tomlinson-Harashima Precoding
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